Devising negative pressure within intercuff space reduces microaspiration.
H M SohnJ S BaikJ Y HwangJin-Hee KimS H HanJ H KimPublished in: BMC anesthesiology (2018)
A new prototype double cuff with negative pressure in the intercuff space completely prevented water leakage. The negative pressure transmitted to the tracheal inner wall was a small percentage of that applied.
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